Re: Please apply 3da1fdf4efbc to stable

[Greg KH <gregkh@linuxfoundation.org>]

On Wed, May 27, 2026 at 02:06:29PM +0200, Salvatore Bonaccorso wrote:
> Hi Greg,
> 
> Not Asmin here, but saw the following.
> 
> On Wed, May 27, 2026 at 10:08:03AM +0200, Greg KH wrote:
> > On Tue, May 26, 2026 at 05:08:43PM +0000, manizada wrote:
> > > Hi stable team,
> > > 
> > > Please apply the following upstream commit to the supported stable trees:
> > > 
> > >   3da1fdf4efbc490041eb4f836bf596201203f8f2
> > >   smb: client: reject userspace cifs.spnego descriptions
> > > 
> > > Reason:
> > >   cifs.spnego descriptions contain authority-bearing fields consumed by
> > >   cifs.upcall. This commit prevents userspace from creating trusted
> > >   cifs.spnego descriptions via request_key(2)/add_key(2).
> > > 
> > > Requested branches:
> > >   Please apply to all currently supported stable/LTS branches where it is
> > >   applicable, including 7.0.y, 6.18.y, 6.12.y, 6.6.y, 6.1.y, 5.15.y, and
> > >   5.10.y.
> > 
> > This does not apply to the 5.15.y or 5.10.y tree, please provide a
> > backported version that can apply there.
> 
> There was 38c8a9a52082 ("smb: move client and server files to common
> directory fs/smb") moving the files around (and which got as well
> backported to the 6.1.y series). So the following should do the trick.

That worked, thanks!

greg k-h